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Significant Accounting Policies - Revenue recognition (Details) - USD ($) shares in Thousands, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 30, 2020 | Dec. 31, 2022
PEDMARK |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Percentage of royalties |  | 1.00%
Revenues |  | $ 1,535
Processa Pharmaceuticals, Inc | License agreement | Restricted shares |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Shares to be issued under agreement | 41 |

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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